//C06:6.18 rows2.c
#include <stdio.h>

int main(void)
{
    const int ROWS = 6;
    const int CHARS = 6;

    int row;
    char ch;

    for (row = 0; row < ROWS; row++)
    {
        for (ch = ('A' + row); ch < ('A' + CHARS); ch++)
        {
            printf("%c", ch);
        }
        printf("\n");
    }
}